| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rasenia borealis
Taxonomy
Rasenia borealis was named by Spath (1935).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Rasenia borealis Spath p. 48 figs. Pl 6, fig 1; pl 7, fig 1 |
| 1984 | Rasenia borealis Mesezhnikov p. 111 figs. Pl 20, fig 1 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Rasenia borealis Spath 1935
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 73.6 | |||||
| shell diameter | 1 | 230.0 | |||||
| shell inflation | 1 | 110.4 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Early/Lower Kimmeridgian or 155.70000 to 150.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Kimmeridgian | Russian Federation (Khanty-Mansi Autonomous Okrug) | Rasenia borealis (164309) |